^○Shogo Misumi, Yohei Sudo, Mika Taniuchi, Shiho Ono, Raizo Echigo, Takahito Tsugiki, Toru Hirano, Hiroyuki Takashima (Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital, Sapporo, Japan)

^○Kazuya Kakuta (The Department of Radiology, Fukushima Medical University Hospital, Fukushima, Japan)

^○Kyoichi Kato (Graduate School of Health Sciences, Showa University, Tokyo, Japan)

^○Yusuke Masubuchi (Department of Radiology, Nasu Red Cross Hospital, Tochigi, Japan)

^○Mitsuharu Ohsawa¹, Yuji Ito¹, Hiroki Murase¹, Kazuma Kiryu¹, Masaru Nakamura¹, Akinori Nagata², Hiroaki Maki³, Takaya Saijo⁴, Naruto Sugimoto⁵, Naotoshi Fujita⁵, Akira Tokudome⁶, Satoshi Ido⁷, Kojiro Suzuki⁸ (1.Aichi Medical University Hospital,Nagakute,Japan, 2.公立陶生病院　中央放射線部, 3.三重大学医学部附属病院　中央放射線部, 4.名古屋第二赤十字病院　医療技術部　放射線科, 5.名古屋大学医学部附属病院　医療技術部　放射線部門, 6.半田市立市民病院　放射線技術科, 7.岐阜大学医学部附属病院　放射線部, 8.愛知医科大学　放射線医学講座)

^○Yoshiaki Hagihara (Department of Radiologcal Technology, Hyogo College Of Medicine College Hospital, Hyogo, japan)

^○Souichirou Ishizaki¹, Susumu Igarashi¹, Atsushi Watanabe¹, Ryouji Takahashi¹, Shuuhei Ueda¹, Naoto Maeda¹, Mika Hosokawa², Masanari Kageyama³ (1.Department of Radiorogical Tecnology, Saiseikai Toyama Hospital, Toyama, Japan, 2.Department of Nursing, Saiseikai Toyama Hospital, Toyama, Japan, 3.Department of Radiorogy, Saiseikai Toyama Hospital, Toyama, Japan)

^○Tomoya Okada (Department of Radiology,Technology Department, Fukuyama City Hospital)